Junction of the 50S ribosomal subunit with the 30S initiation complex.
D002499:Centrifugation, Density Gradient; D005561:Formates; D006150:Guanine Nucleotides / Q000378:metabolism*; D008715:Methionine; D063065:Organophosphonates / Q000378:metabolism; D011691:Puromycin / Q000494:pharmacology; D012343:RNA, Transfer / Q000032:analysis / Q000378:metabolism*; D012270:Ribosomes / Q000032:analysis / Q000378:metabolism*
D005561:Formates; D006150:Guanine Nucleotides; D063065:Organophosphonates; D011691:Puromycin; D012343:RNA, Transfer; D008715:Methionine